/Engine/Plugins/AI/MassCrowd/Source/MassCrowd/Public/MassCrowdSubsystem.h
Acquires a slot from a specified waiting lane. Nearest vacant slot to EntityPosition is returned.Indexof the slot, or INDEX_NONE if no slots are available or if the lane is not a waiting lane.
int32 AcquireWaitingSlot ( const [FMassEntityHandle](API\Plugins\MassEntity\FMassEntityHandle) Entity, const FVector & EntityPosition, const [FZoneGraphLaneHandle](API\Plugins\ZoneGraph\FZoneGraphLaneHandle) LaneHandle, FVector & OutSlotPosition, FVector & OutSlotDirection )